Brazilian chemists have used liquid chromatography with chemometrics to evaluate and differentiate two varieties of Casearia sylvestris, a plant found in the forests and savannahs of Brazil, from their secondary metabolites.

Two US chemists have for the first time used classical least-squares to deconvolute overlapping mass spectral peaks between an analyte and its corresponding isotopic internal standard for quantification.

Using a combination of pyrolysis-gas chromatography/mass spectrometry and multivariate curve resolution, Swedish researchers have been able to identify over 200 different organic compounds in just 200μg of lake sediment.